animal animals bird birds brown idyllic lake lakeside lazy mute nature park pond resting swan swans water white whooper cold freeze freezing frozen gull house houses ice icy ponds reflection sea seagull seagulls winter pair peaceful reed river rivulet swimming two wave waves beak Black-necked swan cute Cygnus melanocoryphu duck feather lob red swim together wildlife wings zoo Australia Australian black black swan Cygnus atratus emblem emblematic fauna gregarious iconic large life pairs protected protected species red beaked red eyed reflections ripples rippling social symbol symbolic water bird Western Australian State emblem